[Dask] Add example of using custom callback in Dask#6995

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trivialfis merged 4 commits intodmlc:masterfrom hcho3:add_custom_dask_callback

Jun 2, 2021

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Commits on May 25, 2021

[Dask] Add example of using custom callback in Dask
hcho3
committed

Commits on Jun 2, 2021